ON MARCH 31, 2004, THE REGIONAL ADMINISTRATOR SIGNED A REFERRAL TO THE DEPARTMENT OF JUSTICE ( DOJ ) REQUESTING THAT DOJ FILE A COMPLAINT SEEKING INJUNCTIVE AND MONETARY RELIEF AGAINST A VALERO TERRESTRIAL CORPORATION ( VALERO ) FOR VIOLATIONS OF THE CLEAN AIR ACT AT VALERO'S MUNICIPAL SOLID WASTE LANDFILL IN COLLIERS, WEST VIRGINIA. AFTER AN APRIL 2003 INSPECTION, EPA FOUND THE FOLLOWING VIOLATIONS BY VALERO; FAILURE TO INSTALL AN CTIVE LANDFILL GAS COLLECTION AND CONTROL SYSTEM; FAILURE TO SUBMIT A COMPLETE LANDFILL GAS COLLECTION AND CONTROL DESIGN PLAN AS REQUIRED BY THE TITLE V OPERATING PERMIT; FAILURE TO SUBMIT A GAS COLLECTION AND CONTROL DESIGN PLAN FOR THE PASSIVE GAS COLLECTION SYSTEM; FAILURE TO INSTALL LINERS IN ALL AREAS IN WHICH GAS IS COLLECTED FOR THE PASSIVE GAS COLLECTION SYSTEM; FAILURE TO PERFORM SURFACE MONITORING; FAILURE TO DEVELOP A SURFACE MONITORING PLAN; FAILURE TO INSTALL FLARES FOR DETECTING A CONTINUOUS FLAME AND A DEVICE TO RECORD GAS FLOW; AND FAILURE TO CONDUCT AN INITIAL PERFORMANCE TEST.